WO2019077705A1 - Corps de support électroconducteur et son procédé de fabrication, photorécepteur électrophotographique et dispositif électrophotographique - Google Patents

Corps de support électroconducteur et son procédé de fabrication, photorécepteur électrophotographique et dispositif électrophotographique Download PDF

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Publication number
WO2019077705A1
WO2019077705A1 PCT/JP2017/037750 JP2017037750W WO2019077705A1 WO 2019077705 A1 WO2019077705 A1 WO 2019077705A1 JP 2017037750 W JP2017037750 W JP 2017037750W WO 2019077705 A1 WO2019077705 A1 WO 2019077705A1
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Prior art keywords
conductive support
layer
electrophotographic
photosensitive member
heat treatment
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PCT/JP2017/037750
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English (en)
Japanese (ja)
Inventor
広高 小林
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富士電機株式会社
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Application filed by 富士電機株式会社 filed Critical 富士電機株式会社
Priority to CN201780087805.6A priority Critical patent/CN110352386B/zh
Priority to PCT/JP2017/037750 priority patent/WO2019077705A1/fr
Priority to JP2019549053A priority patent/JP6741168B2/ja
Publication of WO2019077705A1 publication Critical patent/WO2019077705A1/fr
Priority to US16/549,320 priority patent/US10642174B2/en

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    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/75—Details relating to xerographic drum, band or plate, e.g. replacing, testing
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0806—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller
    • G03G15/0808—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller characterised by the developer supplying means, e.g. structure of developer supply roller
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G5/00—Recording members for original recording by exposure, e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor
    • G03G5/02—Charge-receiving layers
    • G03G5/04—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor
    • G03G5/043—Photoconductive layers characterised by having two or more layers or characterised by their composite structure
    • G03G5/0436—Photoconductive layers characterised by having two or more layers or characterised by their composite structure combining organic and inorganic layers
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G5/00—Recording members for original recording by exposure, e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor
    • G03G5/02—Charge-receiving layers
    • G03G5/04—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor
    • G03G5/05—Organic bonding materials; Methods for coating a substrate with a photoconductive layer; Inert supplements for use in photoconductive layers
    • G03G5/0503—Inert supplements
    • G03G5/0507—Inorganic compounds
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G5/00—Recording members for original recording by exposure, e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor
    • G03G5/02—Charge-receiving layers
    • G03G5/04—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor
    • G03G5/05—Organic bonding materials; Methods for coating a substrate with a photoconductive layer; Inert supplements for use in photoconductive layers
    • G03G5/0503—Inert supplements
    • G03G5/051—Organic non-macromolecular compounds
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G5/00—Recording members for original recording by exposure, e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor
    • G03G5/02—Charge-receiving layers
    • G03G5/04—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor
    • G03G5/05—Organic bonding materials; Methods for coating a substrate with a photoconductive layer; Inert supplements for use in photoconductive layers
    • G03G5/0528—Macromolecular bonding materials
    • G03G5/0557—Macromolecular bonding materials obtained otherwise than by reactions only involving carbon-to-carbon unsatured bonds
    • G03G5/0567—Other polycondensates comprising oxygen atoms in the main chain; Phenol resins
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G5/00—Recording members for original recording by exposure, e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor
    • G03G5/10—Bases for charge-receiving or other layers
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G5/00—Recording members for original recording by exposure, e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor
    • G03G5/10—Bases for charge-receiving or other layers
    • G03G5/102—Bases for charge-receiving or other layers consisting of or comprising metals
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/00953—Electrographic recording members
    • G03G2215/00957—Compositions
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/02—Arrangements for laying down a uniform charge
    • G03G2215/021—Arrangements for laying down a uniform charge by contact, friction or induction
    • G03G2215/025—Arrangements for laying down a uniform charge by contact, friction or induction using contact charging means having lateral dimensions related to other apparatus means, e.g. photodrum, developing roller

Definitions

  • the present invention relates to an electrophotographic photosensitive member (hereinafter, also simply referred to as a “photosensitive member”) used in an electrophotographic printer, a copier, a fax machine, etc., a method of manufacturing the same, and an electrophotographic apparatus.
  • an electrophotographic photosensitive member hereinafter, also simply referred to as a “photosensitive member” used in an electrophotographic printer, a copier, a fax machine, etc., a method of manufacturing the same, and an electrophotographic apparatus.
  • the electrophotographic photosensitive member comprises a conductive support and a photosensitive layer provided on the conductive support and having a photoconductive function.
  • a photoreceptor needs to have a function of holding a surface charge in a dark place, a function of receiving light to generate a charge, and a function of transporting the generated charge.
  • a photosensitive member a so-called single-layer type photosensitive member provided with a single-layered photosensitive layer having these functions together, a charge generation layer mainly responsible for charge generation upon light reception, and a dark place
  • a so-called laminated type (functionally separated type) comprising a photosensitive layer in which a function-separated layer is laminated with a charge transport layer having a function of holding surface charges and a function of transporting charges generated in the charge generation layer at the time of light reception.
  • the photosensitive layer is formed by applying a coating solution prepared by dissolving or dispersing a functional material such as a charge generation material or charge transport material and a resin binder in an organic solvent on a conductive support made of an aluminum alloy.
  • a conductive support made of an aluminum alloy is usually manufactured from an ingot containing an aluminum alloy through an extrusion process, a drawing process and a cutting process.
  • Patent Document 1 discloses a technology related to a method of manufacturing a cylindrical support for an electrophotographic photosensitive member.
  • the printing speed has been increased, the size of the apparatus has been reduced and the number of members has been reduced, and high image quality, long life, etc. Needs for higher quality and lower prices.
  • high quality such as high image quality and long life and price reduction are required.
  • the photoreceptor and hence the conductive support have high accuracy.
  • the accuracy of each conductive support is high, in particular, the shake is small, and the shake between a plurality of conductive supports is further caused. It is also required that the variation is small.
  • the conductive support made of an aluminum alloy obtained through the above-described steps has a problem that the runout is likely to vary depending on the production lot and the base. If there is a variation in deflection between the conductive supports, the variation may be reflected on the photosensitive member manufactured using the conductive support, which may cause a problem of image defects. Therefore, there has been a demand for the realization of a technology capable of providing a photosensitive member capable of obtaining high image quality by reducing the fluctuation of the conductive support and reducing the fluctuation of the fluctuation between the supports.
  • an object of the present invention is to provide a highly accurate conductive support and a method for producing the same, and an electrophotographic photosensitive member capable of obtaining high image quality by using the same, and an electrophotographic apparatus using the same.
  • the conductive support of the first aspect of the present invention comprises: a cylindrical main body; a first end in the longitudinal direction of the main body; and a second end of the main body opposite to the first end
  • the conductive support for an electrophotographic photosensitive member wherein the main body contains an aluminum alloy, and the stress value of the main body is in the range of ⁇ 30 MPa to 5 MPa.
  • the main body is a cylindrical tube
  • the cylindrical tube has the first end in the longitudinal direction and the second end opposite to the first end, and between the first end and the second end
  • the outer diameter of the cylindrical tube is 40 mm or less
  • the thickness is more preferably 0.5 mm or more and 0.8 mm or less.
  • the swing of the said cylindrical pipe is 30 micrometers or less.
  • the electrophotographic photosensitive member of the third aspect of the present invention comprises the above-mentioned conductive support and a photosensitive layer formed on the above-mentioned main body.
  • the photosensitive layer preferably contains an inorganic or organic filler.
  • the photosensitive layer contains at least a resin binder and a charge transport material.
  • the electrophotographic apparatus according to the fourth aspect of the present invention is one on which the above electrophotographic photosensitive member is mounted.
  • the present invention it is possible to obtain a highly accurate conductive support and a method of manufacturing the same, an electrophotographic photosensitive member capable of obtaining high image quality, and an electrophotographic apparatus using the same.
  • FIG. 2 is a schematic cross-sectional view showing a negatively charged laminated electrophotographic photosensitive member as an example of the electrophotographic photosensitive member of the present invention.
  • FIG. 6 is a schematic cross-sectional view showing a positive charge type single layer type electrophotographic photosensitive member of another example of the electrophotographic photosensitive member of the present invention.
  • FIG. 6 is a schematic cross-sectional view showing a positive charging type laminated electrophotographic photoreceptor of still another example of the electrophotographic photoreceptor of the present invention.
  • It is a schematic perspective view which shows an example of the electroconductive support body of this invention. It is a flowchart which concerns on the manufacturing method of the electroconductive support body of this invention.
  • FIG. 1 is a schematic configuration view showing an example of an electrophotographic apparatus of the present invention. It is an explanatory view showing an evaluation device of runout accuracy in an example.
  • the electrophotographic photoreceptor is a so-called negatively charged laminate type photoreceptor and a positively charged laminate type photoreceptor as a laminate type (functionally separated type) photoreceptor, and a single layer type photoreceptor mainly used in positive charging.
  • FIG. 1 to 3 are schematic cross-sectional views showing an example of the electrophotographic photosensitive member of the present invention, and FIG. 1 is a laminated type electrophotographic photosensitive member used in a negatively charged electrophotographic process, and FIG. 2 is a positively charged electron.
  • FIG. 3 shows a single-layer type electrophotographic photosensitive member used in a photographic process, and FIG. 3 shows a laminated type electrophotographic photosensitive member used in a positively charged electrophotographic process.
  • an undercoat layer 2 As shown in the drawing, in a negatively charged laminated photoreceptor, an undercoat layer 2, a charge generation layer 4 having a charge generation function, and a charge transport layer 5 having a charge transport function are provided on a conductive support 1. And the photosensitive layer having the Further, in the case of a positively charged single-layer type photosensitive member, an undercoat layer 2 and a single-layer type photosensitive layer 3 having both functions of charge generation and charge transport are sequentially laminated on the conductive support 1. ing. Furthermore, in the positively charged laminated photoreceptor, the undercoat layer 2, the charge transport layer 5 having a charge transport function, and both the charge generation and charge transport functions are provided on the conductive support 1. The photosensitive layer having the charge generation layer 4 is sequentially laminated.
  • the undercoat layer 2 may be provided as needed in any type of photoreceptor.
  • FIG. 4 shows a schematic perspective view of an example of the conductive support of the present invention.
  • the conductive support 1 of the present invention comprises a cylindrical main body 11, a first end 12A in the longitudinal direction of the main body 11, and a second end 12B of the main body 11 opposite to the first end 12A.
  • 11 contains an aluminum alloy, and the stress value of the main body 11 is in the range of -30 MPa to 5 MPa.
  • the stress value of the conductive support 1 in the range of -30 MPa to 5 MPa, it is possible to obtain the conductive support 1 with a small deflection, and thus to obtain an electrophotographic photosensitive member capable of obtaining high image quality. It has become possible. That is, as described above, the conductive support made of an aluminum alloy manufactured through an extrusion process, a cutting process, etc. has a problem that the fluctuation is likely to occur in every production lot and every substrate. By setting the stress value in the above-mentioned range, it is possible to suppress the variation of the deflection of the conductive support, and as a result, it is possible to obtain a photosensitive member from which high image quality can be obtained.
  • the stress value of the conductive support 1 is preferably in the range of ⁇ 30 MPa or more and 0 MPa or less, and more preferably in the range of ⁇ 20 MPa or more and 0 MPa or less.
  • the conductive support 1 having a stress value of ⁇ 30 MPa or more and 0 MPa or less has desirable rigidity.
  • the conductive support 1 having a stress value of ⁇ 20 MPa or more and 0 MPa or less has both desirable runout accuracy and rigidity.
  • the heat processing mentioned later can be used, for example.
  • the stress value of the conductive support 1 may be measured using a stress value measuring apparatus using a micro area X-ray stress measurement method as a measuring apparatus capable of measuring the internal stress of the conductive support 1.
  • a stress value measuring apparatus using a micro area X-ray stress measurement method as a measuring apparatus capable of measuring the internal stress of the conductive support 1.
  • Auto Mate II manufactured by Rigaku Corporation can be used as a measuring device.
  • an object is irradiated with X-rays, and X-rays diffracted (reflected) in the object are measured.
  • the angle of diffraction of X-rays depends on the spacing of the atomic arrangement inside the object, and the spacing expands and contracts due to residual stress, so it is a factor of expansion and contraction by measuring the amount of change of diffraction angle accompanying expansion and contraction
  • the stress value inside the object is determined.
  • the conductive support 1 used in the present invention may be any one containing an aluminum alloy, and as described above, generally, at least an extrusion step and a cutting step, or an extrusion step, a drawing step, from an aluminum alloy ingot. Manufactured through a cutting process.
  • the material of the aluminum alloy is not particularly limited, and for example, aluminum alloy names A1050, A3003, A5052, A5056, A6061 and A6063 can be used.
  • the aluminum alloy may be an aluminum alloy having a purity of 99.00% or more, an alloy in which manganese is added to aluminum, an alloy in which magnesium is added to aluminum, or an alloy in which magnesium and silicon are added to aluminum.
  • Aluminum alloys may contain unavoidable impurities.
  • the conductive support 1 also serves as a support of each layer constituting the photosensitive member simultaneously with serving as an electrode of the photosensitive member, and may have any shape such as a cylindrical shape, a plate shape, or a film shape.
  • the cylindrical shape as shown in 4 is preferable.
  • the present invention is useful when the conductive support 1 is a cylindrical tube having two ends in the longitudinal direction, and the inner and outer diameters of the cylindrical tube are constant between the two ends.
  • the two ends of the cylindrical tube may be open ends.
  • the shape of the cylindrical conductive support 1 includes, in addition to the straight tube, a tube shape having a portion with an enlarged inner diameter at a longitudinal end, a so-called inlay portion.
  • the processing cost for forming the inlay portion is required, but since the cutting can be performed on the basis of the inlay portion, the accuracy can be easily obtained.
  • the conductive support 1 which is a straight tube, although it is more difficult to obtain accuracy than a pipe having an inlay portion, the cost is low. Therefore, by applying the present invention to the conductive support 1 which is a straight tube, there is an advantage that the conductive support 1 with high accuracy and hence the photosensitive member can be obtained more inexpensively.
  • the conductive support 1 is not particularly limited, but for example, the conductive support 1 is small in size with an outer diameter of about 40 mm or less and thin in thickness of about 0.5 mm or more and 0.8 mm or less. It is preferable. When the stress value of the small-sized and thin-walled conductive support 1 is within the range of the present invention, the merit is further greater than that of the large-sized or thick-walled case.
  • the deflection of the conductive support 1 which is a cylindrical tube is preferably 30 ⁇ m or less, more preferably 25 ⁇ m or less, particularly preferably 20 ⁇ m or less, and the smaller, the better. By setting it in the above-mentioned range, high quality can be obtained in the photosensitive member, which is preferable.
  • the photosensitive member of the present invention is provided with the conductive support 1 and a photosensitive layer formed on the main body.
  • the stress value of the conductive support 1 may be within the above range, whereby the intended effects of the present invention can be obtained.
  • the configuration can be appropriately selected and is not particularly limited.
  • the present invention is particularly applied to an organic electrophotographic photosensitive member provided with a photosensitive layer (referred to as an organic photosensitive layer) containing an organic compound as a functional component responsible for charge generation and transport. That is, in the case of an inorganic photosensitive member using an inorganic material such as a-Si, since the conductive support is heated to a high temperature during film formation of the photosensitive layer, the influence of heat during film formation is also applied to the conductive support. Although it is necessary to take into consideration, it is not necessary to heat the conductive support at the time of film formation of the photosensitive layer, as in the case of an inorganic photosensitive member, so only the precision of the conductive support is in the shape of the photosensitive member. It will affect. Thus, the present invention is more useful when applied to organic photoreceptors.
  • the photosensitive layer preferably contains at least a resin binder and a charge transport material.
  • the undercoat layer 2 is composed of a layer containing a resin as a main component and a metal oxide film such as alumite.
  • the undercoat layer 2 controls the injection of charges from the conductive support 1 to the photosensitive layer, covers defects on the surface of the conductive support, and improves the adhesion between the photosensitive layer and the conductive support 1.
  • the resin material used for the undercoat layer 2 include insulating polymers such as casein, polyvinyl alcohol, polyamide, melamine and cellulose, and conductive polymers such as polythiophene, polypyrrole and polyaniline. These resins may be used alone. Alternatively, they can be used in combination as appropriate. In addition, these resins may contain metal oxides such as titanium dioxide and zinc oxide.
  • the photosensitive layer has a charge generation layer 4 and a charge transport layer 5 in order from the conductive support 1 side.
  • the charge generation layer 4 is formed by a method such as applying a coating solution in which particles of the charge generation material are dispersed in a resin binder, and receives light to generate charge. It is important for the charge generation layer 4 to have high charge generation efficiency and at the same time the chargeability of the generated charge to the charge transport layer 5 be small.
  • Charge generation materials include X-type metal-free phthalocyanine, ⁇ -type metal-free phthalocyanine, ⁇ -type titanyl phthalocyanine, ⁇ -type titanyl phthalocyanine, Y-type titanyl phthalocyanine, ⁇ -type titanyl phthalocyanine, amorphous-type titanyl phthalocyanine, and ⁇ -type copper phthalocyanine Compounds, various azo pigments, anthanthrone pigments, thiapyrilium pigments, perylene pigments, perinone pigments, squarylium pigments, quinacridone pigments, etc.
  • the charge generation layer 4 may be mainly composed of a charge generation material, to which a charge transport material or the like may be added.
  • polycarbonate resin polycarbonate resin, polyester resin, polyamide resin, polyurethane resin, vinyl chloride resin, vinyl acetate resin, phenoxy resin, phenoxy resin, polyvinyl acetal resin, polyvinyl butyral resin, polystyrene resin, polysulfone resin, diallyl phthalate resin
  • polycarbonate resin polyester resin, polyamide resin, polyurethane resin, vinyl chloride resin, vinyl acetate resin, phenoxy resin, phenoxy resin, polyvinyl acetal resin, polyvinyl butyral resin, polystyrene resin, polysulfone resin, diallyl phthalate resin
  • Polymers and copolymers of methacrylic acid ester resins can be used in combination as appropriate.
  • the content of the charge generation material in the charge generation layer 4 is preferably 20 to 80% by mass, more preferably 30 to 70% by mass, with respect to the solid content in the charge generation layer 4.
  • the content of the resin binder in the charge generation layer 4 is preferably 20 to 80% by mass, and more preferably 30 to 70% by mass, with respect to the solid content in the charge generation layer 4. Since the charge generation layer 4 only needs to have a charge generation function, the thickness thereof is generally 1 ⁇ m or less, preferably 0.5 ⁇ m or less.
  • the charge transport layer 5 is the outermost surface layer of the photoreceptor.
  • the charge transport layer 5 is mainly composed of a charge transport material and a resin binder.
  • various polycarbonate resins such as polyarylate resin, bisphenol A type, bisphenol Z type, bisphenol C type, bisphenol A type-biphenyl copolymer, bisphenol Z type-biphenyl copolymer and the like are singly used. Or in combination of two or more. Also, the same kind of resin having different molecular weight may be mixed and used.
  • polyphenylene resin polyester resin, polyvinyl acetal resin, polyvinyl butyral resin, polyvinyl alcohol resin, vinyl chloride resin, vinyl acetate resin, polyethylene resin, polypropylene resin, acrylic resin, polyurethane resin, epoxy resin, melamine resin, silicone resin, polyamide Resins, polystyrene resins, polyacetal resins, polysulfone resins, polymers of methacrylic acid esters, copolymers of these, and the like can be used.
  • the weight average molecular weight of the above resin is preferably 5,000 to 250,000, and more preferably 10,000 to 200,000, in GPC (gel permeation chromatography) analysis in terms of polystyrene.
  • charge transport material of the charge transport layer 5 various hydrazone compounds, styryl compounds, diamine compounds, butadiene compounds, indole compounds, arylamine compounds and the like can be used singly or in combination as appropriate.
  • charge transport materials include, but are not limited to, those shown in the following (II-1) to (II-30).
  • the photosensitive layer preferably contains an inorganic or organic filler. More specifically, by including an inorganic or organic filler in the layer which becomes the outermost surface layer among the photosensitive layers of the photosensitive member, the surface of the photosensitive member can be less abraded, which can contribute to an increase in life. .
  • the charge transport layer 5 can contain an inorganic or organic filler.
  • an inorganic filler in addition to those containing silica as a main component, particles of alumina, zirconia, titanium oxide, tin oxide, calcium oxide, zinc oxide and the like can be mentioned.
  • the charge transport layer 5 contains an inorganic or organic filler, the content thereof is 1 to 40% by mass, more preferably 2 to 30% by mass with respect to the solid content of the charge transport layer 5 .
  • PTFE polytetrafluoroethylene
  • the primary particle diameter of the organic filler is preferably 1 nm or more and 2000 nm or less, more preferably 1 nm or more and 1000 nm or less, and still more preferably 1 nm or more and 700 nm or less.
  • silica As an inorganic filler, what has a silica as a main component is preferable.
  • a method of producing silica particles having a particle diameter of several nm to several tens of nm as silica a method of producing using water glass as a raw material called wet method, a reaction of chlorosilane called a dry method, etc. in a gas phase
  • a method of making them a method of using an alkoxide as a silica precursor as a raw material, and the like.
  • the purity of the silica is high, because it improves the cohesion of the silica, and as a result, causes an increase in aggregates in the coating solution and the photosensitive layer. Therefore, it is preferable to control content of metals other than the metal element which comprises an inorganic filler to 1000 ppm or less with respect to each metal element.
  • the surface treatment agent reacts with hydroxyl groups present on the surface of silica, but if the silica contains a trace amount of other metal elements, it will be adjacent to the other metal elements present on the silica surface from the influence of the difference in electronegativity between metals.
  • the reactivity of the silanol group (hydroxyl group) is improved. Since this hydroxyl group has high reactivity with the surface treatment agent, it reacts more strongly with the surface treatment agent than other hydroxyl groups, and if it remains it causes aggregation.
  • the surface treatment agent After the reaction of these surface treatment agents, the surface treatment agent reacts with other hydroxyl groups, so the cohesion between the silicas is achieved by the effect of the surface treatment agent and the reduction effect of the charge on the surface due to the foreign metal on the surface. It is considered to be greatly improved.
  • the inorganic filler contains a trace amount of other metals, the reactivity of the surface treatment agent becomes better, and as a result, the dispersibility by the surface treatment is improved, which is preferable.
  • silica adding an aluminum element in a range of up to 1000 ppm is suitable for surface treatment. Adjustment of the amount of aluminum element in silica can be carried out using the method described in JP-A-2004-143028, JP-A-2013-224225, JP-A-2015-117138, etc.
  • the preparation method is not particularly limited as long as it can be controlled within the range of Specifically, as a method of more suitably controlling the amount of aluminum element on the silica surface, for example, there are the following methods.
  • silica fine particles when producing silica fine particles, after growing the silica particles in a shape smaller than the target silica particle diameter, there is a method of controlling the amount of aluminum on the silica surface by adding an aluminum alkoxide which becomes an aluminum source, etc. is there.
  • a method of placing silica fine particles in a solution containing aluminum chloride, coating the surface of the silica fine particles with an aluminum chloride solution, drying it and baking it, or a mixed gas of a halogenated aluminum compound and a halogenated silicon compound There is a method to make it react.
  • the structure of silica is such that a plurality of silicon atoms and oxygen atoms are linked in a ring form to form a network-like bond structure, and when containing an aluminum element, the number of atoms constituting the ring structure of silica is The effect of mixing aluminum is larger than that of ordinary silica. Due to this effect, steric hindrance when the surface treating agent reacts with the hydroxyl group on the surface of the aluminum-containing silica is alleviated compared to the normal silica surface, and the reactivity of the surface treating agent is improved. When the same surface treatment agent is reacted with the above silica, the surface treated silica has improved dispersibility.
  • silica by a wet method is more preferable.
  • the content of the aluminum element to silica is preferably 1 ppm or more in consideration of the reactivity of the surface treatment agent.
  • the form of the inorganic filler is not particularly limited, but the sphericity of the inorganic filler is preferably 0.8 or more, and 0.9 or more, in order to reduce the aggregation and obtain a uniform dispersion state. It is more preferable that
  • the primary particle diameter of the inorganic oxide is preferably 1 to 200 nm, more preferably 5 to 100 nm, and still more preferably 10 to 50 nm.
  • the particles being dispersed may have the shape of primary particles or form several clusters.
  • the interparticle average distance of the inorganic filler in the photosensitive layer is not particularly limited, but as a result, it is closer to the primary particle diameter, thereby improving the restraining force of the film component by the interparticle interaction, and the film abrasion resistance It is preferable because it leads to the improvement of Specifically, it is preferably 200 nm or less, more preferably 70 nm or less.
  • the memory element holds the type of data to be stored depending on the presence or absence of charge accumulation, but with miniaturization, the magnitude of the accumulated charge is also reduced and is irradiated from the outside The type of data is changed by the charge that changes with alpha rays, and as a result, an unexpected change in data occurs.
  • the current (noise) generated by the ⁇ ray is relatively large compared to the magnitude of the signal, which may cause a malfunction. Similar to such a phenomenon, in consideration of the influence on the movement of the charge of the charge transport layer of the photosensitive member, it is more preferable to use a material with less generation of ⁇ rays as the film constituting material. Specifically, it is effective to reduce the concentration of uranium and thorium in the inorganic filler, and preferably thorium is 30 ppb or less and uranium is 1 ppb or less.
  • the surface of the inorganic filler can be subjected to surface treatment.
  • a commercially available surface treatment agent may be used as the surface treatment agent.
  • a silane coupling agent is used.
  • the silane coupling agent phenyltrimethoxysilane, vinyltrimethoxysilane, epoxytrimethoxysilane, methacryltrimethoxysilane, aminotrimethoxysilane, ureidotrimethoxysilane, mercaptopropyltrimethoxysilane, isocyanate propyltrimethoxysilane, phenyl Aminotrimethoxysilane, acryltrimethoxysilane, p-styryltrimethoxysilane, 3-acryloxypropyltrimethoxysilane, 3-methacryloxypropyltrimethoxysilane, 3-isocyanatopropyltrimethoxysilane, 3-aminopropyltrimethoxysilane And N-phen
  • the alkyl group of the alkoxide is preferably a methyl group, but other than that, an ethyl group, a propyl group and a butyl group are also preferable.
  • the amount of the surface treatment agent to the inorganic filler is 0.01 to 10.0 mass%, preferably 0.05 to 5.0 mass% of the surface treatment agent based on the mass of the inorganic filler after treatment. Amount.
  • examples of the silane coupling agent used in the embodiment of the present invention include a compound having a structure represented by the following general formula (1), which condenses with a reactive group such as a hydroxyl group on the surface of the inorganic filler. If it is a compound, it will not be limited to the following compound.
  • (R 1 ) n -Si- (OR 2 ) 4-n (1) (Wherein, Si represents a silicon atom, R 1 represents an organic group in the form in which carbon is directly bonded to the silicon atom, R 2 represents an organic group, and n represents an integer of 0 to 3)
  • R 1 is an alkyl group such as methyl, ethyl, propyl, butyl, pentyl, hexyl, octyl and dodecyl, and an aryl group such as phenyl, tolyl, naphthyl and biphenyl Epoxy-containing groups such as ⁇ -glycidoxypropyl, ⁇ - (3,4-epoxycyclohexyl) ethyl, ⁇ -acryloxypropyl, (meth) acryloyl groups containing ⁇ -methacryloxypropyl, ⁇ -hydroxypropyl, Hydroxy-containing groups such as 2,3-dihydroxypropyloxypropyl, vinyl-containing groups such as vinyl and propenyl, mercapto-containing groups such as ⁇ -mercaptopropyl, p-aminophenyl, ⁇ -aminopropyl, N- ⁇ (aminoe
  • the silane coupling agent represented by the said General formula (1) may be used independently, and may be used in combination of 2 or more types. Moreover, when combining multiple types, two types of coupling agents can be reacted with the inorganic filler simultaneously, but multiple types can also be reacted in order.
  • the silane coupling agent represented by the above general formula (1) when n is 2 or more, plural R 1 may be the same or different. Similarly, when n is 2 or less, plural R 2 s may be the same or different. When two or more organic silicon compounds represented by the above general formula (1) are used, R 1 and R 2 may be the same or different for each coupling agent.
  • Examples of the compound where n is 0 include the following compounds. That is, tetramethoxysilane, tetraacetoxysilane, tetraethoxysilane, tetraaryloxysilane, tetrapropoxysilane, tetraisopropoxysilane, tetrakis (2-methoxyethoxy) silane, tetrabutoxysilane, tetraphenoxysilane, tetrakis (2-ethyl) And butoxy) silane, tetrakis (2-ethylhexyloxy) silane and the like.
  • Examples of the compound in which n is 1 include the following compounds. That is, methyltrimethoxysilane, mercaptomethyltrimethoxysilane, trimethoxyvinylsilane, ethyltrimethoxysilane, 3,3,3-trifluoropropyltrimethoxysilane, 3-chloropropyltrimethoxysilane, triethoxysilane, 3-mercapto Propyltrimethoxysilane, 3-aminopropyltrimethoxysilane, 2-aminoethylaminomethyltrimethoxysilane, methyltriacetoxysilane, chloromethyltriethoxysilane, ethyltriacetoxysilane, phenyltrimethoxysilane, 3-allylthiopropyltriol Methoxysilane, 3-glycidoxypropyltrimethoxysilane, 3-bromopropyltriethoxysilane, 3-allylamin
  • Examples of the compound in which n is 2 include the following compounds. Namely, dimethoxymethylsilane, dimethoxydimethylsilane, diethoxysilane, diethoxymethylsilane, dimethoxymethyl-3,3,3-trifluoropropylsilane, 3-chloropropyldimethoxymethylsilane, chloromethyldiethoxysilane, diethoxydimethylsilane Silane, dimethoxy-3-mercaptopropylmethylsilane, diacetoxymethylvinylsilane, diethoxymethylvinylsilane, 3-aminopropyldiethoxymethylsilane, 3- (2-aminoethylaminopropyl) dimethoxymethylsilane, 3-methacryloxypropyl dimethoxymethane Methylsilane, 3- (3-cyanopropylthiopropyl) dimethoxymethylsilane, 3- (2-acetoxyethylthiopropyl)
  • n 3
  • the following compounds may be mentioned. That is, methoxytrimethylsilane, ethoxytrimethylsilane, methoxydimethyl-3,3,3-trifluoropropylsilane, 3-chloropropylmethoxydimethylsilane, methoxy-3-mercaptopropylmethylmethylsilane and the like can be mentioned.
  • a slight amount of a hydrolyzate of a silane coupling agent may be contained in the photosensitive layer coating solution according to the embodiment of the present invention.
  • the compound which has a structure shown by following General formula (2) may be contained by 2 mass% or less.
  • Si (OH) m (R 1 ) n (OR 2) 4- (n + m) (2) (Wherein, Si represents a silicon atom, R 1 represents an organic group in which carbon is directly bonded to the silicon atom, R 2 represents an organic group, m is an integer of 1 to 4, n is 0 to Represents an integer of 3, m + n is 4 or less)
  • the surface treatment may be performed in any order, but, for example, the inorganic filler is a plurality of silanes.
  • the silane coupling agent which has a structure represented by the said General formula (1) is first used for surface treatment.
  • the silica may be simultaneously surface-treated with a silane coupling agent and an organosilazane, or the silica may be first surface-treated with a silane coupling agent and then surface-treated with an organosilazane. .
  • the silica may be first surface-treated with organosilazane, then surface-treated with a silane coupling agent, and then surface-treated with organosilazane.
  • the content of the resin binder in the charge transport layer 5 is preferably 20 to 90% by mass, more preferably 30 to 80% by mass, with respect to the solid content of the charge transport layer 5 excluding the inorganic or organic filler. is there.
  • the content of the charge transport material in the charge transport layer 5 is preferably 10 to 80% by mass, more preferably 20 to 70% by mass with respect to the solid content of the charge transport layer 5 excluding the inorganic or organic filler. It is.
  • the thickness of the charge transport layer 5 is preferably in the range of 3 to 50 ⁇ m, and more preferably in the range of 15 to 40 ⁇ m, in order to maintain a practically effective surface potential.
  • the single layer type photosensitive layer 3 is the outermost surface layer of the photosensitive member.
  • the single-layer type photosensitive layer 3 mainly comprises a charge generation material, a hole transport material as a charge transport material and an electron transport material (acceptor compound), and a resin binder.
  • the resin binder of the single-layer type photosensitive layer 3 includes various other polycarbonate resins such as bisphenol A type, bisphenol Z type, bisphenol A type-biphenyl copolymer, bisphenol Z type-biphenyl copolymer, polyphenylene resin, polyester resin , Polyvinyl acetal resin, polyvinyl butyral resin, polyvinyl alcohol resin, vinyl chloride resin, vinyl acetate resin, polyethylene resin, polypropylene resin, acrylic resin, polyurethane resin, epoxy resin, melamine resin, silicone resin, polyamide resin, polystyrene resin, polyacetal resin Polyarylate resins, polysulfone resins, polymers of methacrylic acid esters, copolymers of these, and the like can be used. Furthermore, the same kind of resins having different molecular weights may be mixed and used.
  • charge generation material of the single-layer type photosensitive layer 3 for example, phthalocyanine pigments, azo pigments, anthantorone pigments, perylene pigments, perinone pigments, polycyclic quinone pigments, squarylium pigments, thiapyrilium pigments, quinacridone pigments and the like are used. Can. These charge generation materials can be used alone or in combination of two or more.
  • azo pigments disazo pigments, trisazo pigments, and perylene pigments
  • metal-free phthalocyanine, copper phthalocyanine and titanyl phthalocyanine are preferably used.
  • the sensitivity, durability and image quality can be improved by using titanyl phthalocyanine having a Bragg angle 2 ⁇ of 9.6 ° as the maximum peak in the CuK ⁇ : X-ray diffraction spectrum described in US Pat. No. 5,736,282 and US Pat. No. 5,874,570. It is preferable because it shows a significantly improved effect in point.
  • Examples of the hole transport material of the single layer type photosensitive layer 3 include hydrazone compounds, pyrazoline compounds, pyrazolone compounds, oxadiazole compounds, oxazole compounds, arylamine compounds, benzidine compounds, stilbene compounds, styryl compounds, poly-N- Vinylcarbazole, polysilane and the like can be used. These hole transport materials can be used alone or in combination of two or more.
  • the hole transport material used in the present invention is preferably one that is excellent in the ability to transport holes generated upon irradiation with light and that it is preferable in combination with the charge generation material.
  • Examples of the electron transport material (acceptor compound) of the single-layer type photosensitive layer 3 include succinic anhydride, maleic anhydride, dibromosuccinic anhydride, phthalic anhydride, 3-nitrophthalic anhydride, 4-nitrophthalic anhydride, anhydride Pyromellitic acid, pyromellitic acid, trimellitic acid, trimellitic acid anhydride, phthalimide, 4-nitrophthalimide, tetracyanoethylene, tetracyanoquinodimethane, chloranil, bromanyl, o-nitrobenzoic acid, malononitrile, trinitrofluorenone, Trinitrothioxanthone, dinitrobenzene, dinitroanthracene, dinitroacridine, nitroanthraquinone, dinitroanthraquinone, thiopyran compound, quinone compound, benzoquinone compound, diphenoquinone compound, naphthoquinone compound, anthraquinone compound
  • the single-layer type photosensitive layer 3 can contain an inorganic or organic filler.
  • the inorganic filler and the organic filler the same as those listed above can be used.
  • the content thereof is preferably 1 to 40% by mass, more preferably 2 to 30% with respect to the solid content of the single layer type photosensitive layer 3. It is mass%.
  • the content of the resin binder in the single layer type photosensitive layer 3 is preferably 10 to 90% by mass, more preferably 20 to 90% by mass with respect to the solid content of the single layer type photosensitive layer 3 excluding the inorganic or organic filler. It is 80% by mass.
  • the content of the charge generation material in the single layer type photosensitive layer 3 is preferably 0.1 to 20% by mass, more preferably the solid content of the single layer type photosensitive layer 3 excluding the inorganic or organic filler. Is 0.5 to 10% by mass.
  • the content of the hole transport material in the single layer type photosensitive layer 3 is preferably 3 to 80% by mass, more preferably the solid content of the single layer type photosensitive layer 3 excluding the inorganic or organic filler. , 5 to 60% by mass.
  • the content of the electron transport material in the single layer type photosensitive layer 3 is preferably 1 to 50% by mass, more preferably, the solid content of the single layer type photosensitive layer 3 excluding the inorganic or organic filler. It is 5 to 40% by mass.
  • the thickness of the single layer type photosensitive layer 3 is preferably in the range of 3 to 100 ⁇ m, and more preferably in the range of 5 to 40 ⁇ m, in order to maintain a practically effective surface potential.
  • the photosensitive layer has the charge transport layer 5 and the charge generation layer 4 in order from the conductive support 1 side.
  • the charge generation layer 4 is the outermost surface layer of the photosensitive member.
  • the charge transport layer 5 is mainly composed of a charge transport material and a resin binder.
  • the charge transport material and the resin binder the same materials as those described for the charge transport layer 5 of the negatively charged laminated photoreceptor can be used.
  • the content of each material and the film thickness of the charge transport layer 5 can also be the same as those of the negatively charged laminate type photoreceptor.
  • the charge generation layer 4 provided on the charge transport layer 5 mainly includes a charge generation material, a hole transport material as a charge transport material and an electron transport material (acceptor compound), and a resin binder.
  • a charge generation material the hole transport material, the electron transport material and the resin binder, the same materials as those described for the single layer type photosensitive layer 3 of the single layer type photoreceptor can be used.
  • the content of each material and the film thickness of the charge generation layer 4 can be the same as that of the single layer type photosensitive layer 3 of the single layer type photoreceptor.
  • the charge generation layer 4 may contain an inorganic or organic filler.
  • the inorganic filler and the organic filler the same as those listed above can be used.
  • the charge generation layer 4 contains an inorganic or organic filler, the content thereof is 1 to 40% by mass, more preferably 2 to 30% by mass with respect to the solid content of the charge generation layer 4 .
  • a leveling agent such as silicone oil or fluorine-based oil is contained in any of the laminated or single-layered photosensitive layers for the purpose of improving the leveling property of the formed film and imparting lubricity. be able to.
  • other known additives can also be contained within a range that does not significantly impair the electrophotographic characteristics.
  • a deterioration inhibitor such as an antioxidant and a light stabilizer
  • Compounds used for such purpose include chromanol derivatives such as tocopherol and esterified compounds, polyarylalkane compounds, hydroquinone derivatives, etherified compounds, dietherified compounds, benzophenone derivatives, benzotriazole derivatives, thioether compounds, phenylenediamine derivatives And phosphonic acid ester, phosphorous acid ester, phenol compound, hindered phenol compound, linear amine compound, cyclic amine compound, hindered amine compound and the like.
  • FIG. 5 shows a flowchart according to the method of manufacturing a conductive support of the present invention.
  • a preparation step of preparing a substrate containing an aluminum alloy obtained at least through an extrusion step, heat-treating the substrate to conduct electricity A heat treatment step of obtaining a porous support.
  • the heat treatment temperature is T (° C.) and the time is H (hour)
  • the conductive support 1 having a predetermined stress value can be obtained without reducing the rigidity.
  • the heat treatment amount Q is in the above range. Further, since the desired stress value can not be obtained even if the heat treatment is insufficient, the heat treatment amount Q is preferably 50 or more.
  • the substrate to be heat-treated may be one obtained at least through the extrusion step, and may be one after the drawing step, or may be one after the cutting step.
  • the conductive support 1 having a predetermined stress value can be obtained by performing the cutting process or the drawing process and the cutting process, or by only performing the heat treatment on the substrate. it can. That is, in the present invention, the heat treatment on the substrate may be performed between the extrusion process and the drawing process, between the drawing process and the cutting process, between the extrusion process and the cutting process, or after the cutting process. .
  • the heat treatment amount Q may be in the above range, but as a specific heat treatment temperature, it can be selected, for example, in the range of 50 ° C. or more and 400 ° C. or less. For example, it can be selected in the range of 1 hour or more and 2 hours or less.
  • the temperature of the heat treatment may be selected preferably in the range of 50 ° C. to 300 ° C., more preferably in the range of 50 ° C. to 200 ° C.
  • the heat treatment can be performed under atmospheric pressure, but may be performed under reduced pressure or in vacuum, and is not particularly limited.
  • extrusion, drawing, and cutting of the conductive support 1 can also be performed according to a conventional method, and there is no particular limitation.
  • a photosensitive member may be produced on the conductive support 1 obtained as described above, according to a conventional method, by forming a photosensitive layer through an undercoating layer, if desired, by dip coating or the like. it can.
  • the temperature for forming the undercoat layer and the photosensitive layer is 200 ° C. or less, preferably 150 ° C. or less.
  • the photosensitive member of the present invention can obtain desired effects by being applied to various machine processes. Specifically, a charging process such as a contact charging method using a charging member such as a roller or a brush, a non-contact charging method using a corotron or scorotron or the like, and one nonmagnetic component, one magnetic component, two components Sufficient effects can be obtained also in development processes such as contact development using a development system and non-contact development system.
  • a charging process such as a contact charging method using a charging member such as a roller or a brush, a non-contact charging method using a corotron or scorotron or the like, and one nonmagnetic component, one magnetic component, two components
  • FIG. 6 shows a schematic diagram of an exemplary configuration of the electrophotographic apparatus of the present invention.
  • the illustrated electrophotographic apparatus 60 mounts the photosensitive member 7 including the conductive support 1 and the undercoat layer 2 and the photosensitive layer 300 coated on the outer peripheral surface thereof.
  • the electrophotographic apparatus 60 includes a charging member 21 disposed at the outer peripheral edge of the photosensitive member 7, a high voltage power supply 22 for supplying an applied voltage to the charging member 21, an image exposing member 23, and a developing roller 241.
  • a sheet feeding member 25 provided with the developing device 24, a sheet feeding roller 251 and a sheet feeding guide 252, and a transfer charger (directly charged type) 26 are provided.
  • the electrophotographic apparatus 60 may further include a cleaning device 27 provided with a cleaning blade 271 and a charge removing member 28.
  • the electrophotographic apparatus 60 can be a color printer.
  • a heat treatment is performed on an aluminum alloy substrate obtained from an ingot of an aluminum alloy (A6063) through an extrusion process and a drawing process under atmospheric pressure according to the conditions shown in the following table, and then a cutting process is performed.
  • a conductive support in the form of a straight tube having the outer diameter and thickness shown in the table was obtained.
  • the length of the conductive support is 260.5 mm.
  • the stress value, deflection accuracy, rigidity and cost property of the obtained conductive support were evaluated according to the following.
  • the stress value of the obtained conductive support was measured using Auto Mate II manufactured by Rigaku Corporation as a stress value measuring device. The average value of five was made into the stress value.
  • Run-out accuracy (run-out) of the conductive support obtained using an evaluation apparatus (a laser micrometer (resolution: 1/1000 mm, rotational speed: 20 ⁇ 5 rpm) manufactured by Keyence Corporation as shown in FIG. 7)
  • the evaluation of in a state where both longitudinal ends of the conductive support 1 are supported by the V-shaped block 31, the laser sensor 32 is moved along the longitudinal direction of the conductive support 1 to make the conductive support The runout of 1 was measured.
  • Five conductive supports 1 were prepared in each example and comparative example, and the shake was measured at five positions in each support 1, and the maximum value of the measured values was taken as the shake value of each example.
  • the measurement positions are five places except for both ends obtained by dividing the length of the conductive support 1 into six equal parts.
  • Reference numeral 33 in the figure is a controller.
  • the film hardness (HU) of each conductive support was measured using MZT-522 (load: 200 mH, indenter: triangular pyramid 65.03 °) manufactured by Mitutoyo, and the rigidity was evaluated according to the following criteria.
  • ⁇ When the film hardness (HU) is 100 or more.
  • ⁇ ⁇ When the film hardness (HU) is 80 or more and less than 100.
  • Fair When the film hardness (HU) is 70 or more and less than 80.
  • ⁇ ⁇ When the film hardness (HU) is less than 70.
  • the cost property of each conductive support was evaluated according to the following criteria. ⁇ : When the heat treatment amount is 300 or less. ⁇ : When the heat treatment amount exceeds 300 but does not exceed 600. ⁇ ⁇ : when the heat treatment amount exceeds 600 and is 1000 or less. X: When the heat treatment amount exceeds 1000.
  • the conductive support satisfying the stress value according to the present invention is low in cost and high accuracy is obtained while maintaining the rigidity.
  • the runout is particularly good at 20 ⁇ m or less.

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Abstract

L'invention concerne un corps de support électroconducteur de haute précision et son procédé de fabrication, un photorécepteur électrophotographique au moyen duquel une qualité d'image élevée est obtenue à l'aide du corps de support électroconducteur, et un dispositif électrophotographique utilisant le photorécepteur électrophotographique. Un corps de support électroconducteur (1) destiné au photorécepteur électrophotographique, le corps de support électroconducteur (1) comprenant un corps principal cylindrique (11), une première extrémité (12A) du corps principal dans la direction de la longueur, et une seconde extrémité (12B) du corps principal sur le côté opposé à la première extrémité. Le corps principal comprend un alliage d'aluminium, la valeur de contrainte du corps principal étant comprise dans la plage variant de -30 MPa à 5 MPa inclus. L'invention concerne également un procédé de fabrication du corps de support électroconducteur, le procédé comprenant une étape de préparation consistant à préparer une base qui comprend au moins l'alliage d'aluminium obtenu par l'intermédiaire d'une étape d'extrusion, et une étape de traitement thermique dans laquelle la base est traitée thermiquement et le corps de support électroconducteur est obtenu, le traitement thermique étant effectué de telle sorte que, lorsque la température du traitement thermique est définie comme T (°C) et que le temps est défini comme H (heures), une quantité de traitement thermique Q définie comme Q = T × H soit égale ou inférieure à 800. Le photorécepteur électrophotographique comprend le corps de support électroconducteur et une couche photosensible formée sur la base. Le dispositif électrophotographique, obtenu par le photorécepteur électrophotographique, est monté.
PCT/JP2017/037750 2017-10-18 2017-10-18 Corps de support électroconducteur et son procédé de fabrication, photorécepteur électrophotographique et dispositif électrophotographique WO2019077705A1 (fr)

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PCT/JP2017/037750 WO2019077705A1 (fr) 2017-10-18 2017-10-18 Corps de support électroconducteur et son procédé de fabrication, photorécepteur électrophotographique et dispositif électrophotographique
JP2019549053A JP6741168B2 (ja) 2017-10-18 2017-10-18 導電性支持体、その製造方法、電子写真感光体および電子写真装置
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4050419A2 (fr) 2021-02-26 2022-08-31 Canon Kabushiki Kaisha Élément électrophotographique photosensible, cartouche de traitement et appareil électrophotographique
EP4050418A2 (fr) 2021-02-26 2022-08-31 Canon Kabushiki Kaisha Élément électrophotographique photosensible, cartouche de traitement et appareil électrophotographique

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58173750A (ja) * 1982-04-05 1983-10-12 Hitachi Ltd 電子写真用感光体
JP2000313947A (ja) * 1999-04-27 2000-11-14 Showa Alum Corp 電子写真感光ドラム基体用管体の製造方法
JP2003162078A (ja) * 2001-11-29 2003-06-06 Fuji Denki Gazo Device Kk 電子写真感光体用円筒状基体の製造方法およびこの基体を用いた電子写真感光体
JP2003186211A (ja) * 2001-12-20 2003-07-03 Mitsubishi Chemicals Corp 電子写真感光体用基体の製造方法、電子写真感光体及び画像形成装置
JP2004109918A (ja) * 2002-09-20 2004-04-08 Fuji Xerox Co Ltd 電子写真感光体用基材及びその製造方法、電子写真感光体及びその製造方法、並びに電子写真装置
JP2005099637A (ja) * 2003-09-26 2005-04-14 Kyocera Corp 感光体用基体及び感光体、並びに画像形成装置
JP2009050988A (ja) * 2007-08-29 2009-03-12 Canon Inc 円筒状基体の製造方法
JP2009186672A (ja) * 2008-02-05 2009-08-20 Sharp Corp 電子写真感光体及びそれを搭載する画像形成装置
JP2010230989A (ja) * 2009-03-27 2010-10-14 Canon Inc 電子写真感光体の製造方法
JP2012103473A (ja) * 2010-11-10 2012-05-31 Fuji Xerox Co Ltd 電子写真感光体、プロセスカートリッジ、及び画像形成装置
JP2014038136A (ja) * 2012-08-10 2014-02-27 Fuji Xerox Co Ltd 電子写真感光体用導電性支持体、電子写真感光体、画像形成装置およびプロセスカートリッジ

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009150958A (ja) 2007-12-19 2009-07-09 Mitsubishi Chemicals Corp 電子写真感光体用支持体の製造方法
JP6833343B2 (ja) * 2016-05-09 2021-02-24 キヤノン株式会社 電子写真感光体、プロセスカートリッジ及び電子写真装置

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58173750A (ja) * 1982-04-05 1983-10-12 Hitachi Ltd 電子写真用感光体
JP2000313947A (ja) * 1999-04-27 2000-11-14 Showa Alum Corp 電子写真感光ドラム基体用管体の製造方法
JP2003162078A (ja) * 2001-11-29 2003-06-06 Fuji Denki Gazo Device Kk 電子写真感光体用円筒状基体の製造方法およびこの基体を用いた電子写真感光体
JP2003186211A (ja) * 2001-12-20 2003-07-03 Mitsubishi Chemicals Corp 電子写真感光体用基体の製造方法、電子写真感光体及び画像形成装置
JP2004109918A (ja) * 2002-09-20 2004-04-08 Fuji Xerox Co Ltd 電子写真感光体用基材及びその製造方法、電子写真感光体及びその製造方法、並びに電子写真装置
JP2005099637A (ja) * 2003-09-26 2005-04-14 Kyocera Corp 感光体用基体及び感光体、並びに画像形成装置
JP2009050988A (ja) * 2007-08-29 2009-03-12 Canon Inc 円筒状基体の製造方法
JP2009186672A (ja) * 2008-02-05 2009-08-20 Sharp Corp 電子写真感光体及びそれを搭載する画像形成装置
JP2010230989A (ja) * 2009-03-27 2010-10-14 Canon Inc 電子写真感光体の製造方法
JP2012103473A (ja) * 2010-11-10 2012-05-31 Fuji Xerox Co Ltd 電子写真感光体、プロセスカートリッジ、及び画像形成装置
JP2014038136A (ja) * 2012-08-10 2014-02-27 Fuji Xerox Co Ltd 電子写真感光体用導電性支持体、電子写真感光体、画像形成装置およびプロセスカートリッジ

Cited By (2)

* Cited by examiner, † Cited by third party
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EP4050419A2 (fr) 2021-02-26 2022-08-31 Canon Kabushiki Kaisha Élément électrophotographique photosensible, cartouche de traitement et appareil électrophotographique
EP4050418A2 (fr) 2021-02-26 2022-08-31 Canon Kabushiki Kaisha Élément électrophotographique photosensible, cartouche de traitement et appareil électrophotographique

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JPWO2019077705A1 (ja) 2019-12-26
CN110352386B (zh) 2023-08-29

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